Georgia climate, wind & energy-code drivers
- ENERGY STAR climate zone: South-Central — mixed climate, balanced U-factor and lower SHGC (U ≤ 0.32, SHGC ≤ 0.40)
- IECC climate zone: 2A-3A
- Maximum U-factor: 0.32 (IECC 2021 + state amendments)
- Maximum SHGC: 0.25
- ASCE 7-22 design wind speed: 115 mph (Risk Category II)
- Hurricane impact-rated requirement: Mandatory ASTM E1996 large-missile impact-rated in coastal counties only
- Dominant residential frame material: Vinyl frame — dominant in most climates, lowest cost-per-window
- Historic-preservation overlay prevalence: Moderate — selected metro historic districts with review
- EPA RRP lead-safe trigger (pre-1978 housing share): Moderate — 20-40% pre-1978 housing share, EPA RRP required on selected replacements
Georgia licensing, lead-safe & permits
- License status: Statewide license required
- License board: Georgia State Licensing Board for Residential and General Contractors — residential-light or residential-basic (official site)
- Permit: city or county building permit required for window opening modification; residential-light or residential-basic contractor license required above $2,500 contract; replacement-only same-size installs typically permit-exempt; Georgia coastal Atlantic counties mandate ASTM E1996 large-missile impact-rated windows
How window replacement costs vary in Georgia
State-specific code or insurance rule: Georgia Code §43-41 created the State Licensing Board for Residential and General Contractors in 2008 with the residential-light contractor license dedicated to projects under 5,000 sq ft and the residential-basic license covering full new-construction work — every Georgia window contractor exceeding the $2,500 contract threshold must hold one of these credentials, plus Georgia Coastal Atlantic counties (Chatham, Bryan, Liberty, McIntosh, Glynn, Camden) separately require ASTM E1996 large-missile impact resistance on every coastal residential window installation to address Atlantic hurricane exposure with 115 mph ASCE 7-22 design wind speed.
Cities in Georgia
Compare window replacement pricing for 18 cities across Georgia.
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